Thursday 10 August 2017

#111 Hercules NGC Project Part 5: Uranometria Chart 67

Chart 67 takes us up the border with Lyra, Vulpecula, and Aquila.  The Hercules area is rich in galaxies and double stars.  I include a few IC and UGC objects if they are near any NGC I am seeking, and if their stats indicate it being worth a peek.

eg 6547:  1'.5 x 0'.4:  Vis. 13.6; SB 12.9:  At 100x I noticed a suspicious haze, like a slash.  150x confirmed it, with a star possibly involved.  Though 187x gives a good view, a nearby star interferes with the galaxy sight.  At 200x and 250x the galaxy is still pretty bright and very elongated.
http://www.ngcicproject.org

eg 6548:  3' x 2'.8:  Vis. 11.7; SB 13.9:  48 turned out to be the night's showpiece, visible at 100x.
eg 6549:  1'.4 x 0'.4:  Vis. 13.8; SB 13:  It was large, with a stellar core and 2 levels of surrounding haze.  It appeared round.  It was viewed well as high as 250x, where it remained quite bright.  49 was confirmed at 125x but only the center was seen.  It was difficult to see the slash, even at 200x.
http://www.ngcicproject.org

eg 6555:  2' x 1'.5:  Vis. 12.4; SB 13.4:  Spotted at 60x and 100x, but it is pretty faint.  It is pretty large, however.  136x shows the oval shape well with averted vision.  At 187x it is faint, but still pretty impressive with averted vision.  It is fading at 272x, though still large.  It has a stellar core.
http://www.ngcicproject.org

eg 6571:  0'.4 x 0'.4:  Vis. 14.4; SB 12.5:  It took several sweeps to finally locate this small, faint galaxy.  It was eventually spotted at 200x.  It was round and ghostly with averted vision.  250x also showed it.  After this it seemed to show well even at 187x, and finally, I could just barely make it out at 150x.
http://www.ngcicproject.org

eg 6576:  0'.4 x 0'.4:  Vis. 13.8; SB 11.6:  77 was seen at 150x.  Though pretty small, it was bright,
eg 6577:  1'.5 x 1'.3:  Vis. 12.3; SB 13.5:  especially the center.  It sits very near to a faint star, following.  200x, 250x, and 300x show a stellar core.  76 was seen with averted vision at 150x.  It appeared stellar when using direct vision, but averted vision showed nebula on occasion.
http://www.ngcicproject.org

eg 6579:   0'.4 x 0'.4:  Vis. 13.8; SB 11.6:  This was the third of 4 galaxy pairs seen in one night's eg 6580:  1'.3 x 0'.7:  Vis. 13.3; SB 13.2:  session.  80 was confirmed at 150x, being hazy, elongated, and very near a bright star, north.  It becomes a double galaxy at 187x and higher.  79 is a bit further south from the nearby star.  Both have stellar cores.  Fun!
http://www.ngcicproject.org

eg 6581:  0'.6 x 0'.3:  Vis. 14.9; SB 12.9:  Of the three galaxies, UGC 11156 was the easiest to spot.
eg U 11156:  1' x 1':  Vis. and SB 13.3:         It was noted at 150x, and also observed at 187x and
eg U 11155:  1' x 0'.8:  Vis. 13.9; SB 13.6:    200x.  It is pretty large and round.  UGC  11155 is much fainter, though somewhat similar, perhaps a bit oval.  It was viewed at 150x and 187x with averted vision.  6581 is a bit of a mystery.  Uranometria is the only altals to plot it where it is, using the above specs.  Others place it about 20' north, between UGC 11050 and an 8 mag. star to the north following.  I did see this version, which was faint but with a brighter center.  AT 187x and 200x it was oval.  The first 6581 seems to be round, about 0'.4 x 0'.4, and brighter than the north one.  The north one is referred to as I. 1280.  Uranometria is the only place that makes these 2 separate objects.  Other sites duplicate them, not mentioning the south one.
http://www.ngcicproject.org

eg 6586:  0'.9 x 0'.5:  Vis. 13.7; SB 12.7:  Spotted at 125x, near a 'bright' star.  150x shows a small but pretty bright cigar shape.  It was seen well at 187x and 200x, though it was best with averted vision, epsecially due to the nearby star.
http://www.ngcicproject.org

eg 6587:  1'.3 x 1'.1:  Vis. 12.9; SB 13.2.  Spotted at 100x, it was round with a bright stellar core.  150x showed a fuzzy object, similar to a small comet.  At 200x it was still bright, and near a 'bright' star, north.
http://www.ngcicproject.org

eg 6593:  0'.9 x 0'.7:  Vis. 14.3; SB 13.7:  I was able to confirm sightings at 187x, 200x, and 250x.  It was oval, faint, and in a line with two very faint stars, north.  Finding this galaxy without aid was confirmation of exceptional transparency tonight (August 12th/15).  

eg 6599:  1'.3 x 1'.2:  Vis. 12.6; SB 13:  First seen at 125x, it is situated in a small star group.  2 faint stars and 1 very faint star lie near it.  It was also viewed at 150x, 187x, 200x, and 250x.  Even so it remained round, small, but pretty bright.
http://www.ngcicproject.org
eg 6602:  0'.9 x 0'.7:  Vis. 13.3; SB 13.1:  Following a line from a south preceding mag. 9 star thru eg 6599 and extending it the same distance north following, I was able to locate this galaxy at 150x.  It is faint, slightly oval, and has a faint star preceding it.  Views are still decent at 187x and 200x, though best with averted vision.
http://www.ngcicproject.org

eg 6616:  1'.4 x 0'.6:  Vis. 13.8; SB 13.5:  Confirmed at 187x, it resembled a fuzzy, dim star.  It was seen better at 200x, and was even quite oval at 250x.  The galaxy lies very near a bright star, south preceding.
http://www.ngcicproject.org

UGC 11197:  1'.1 x 1'.1:  Vis. 13.3; SB 13.4:  Lying a degree south of eg 6616 and a bit following, it was spotted at 100x.  It is seem best with averted vision because of an 8.5 mag. star south preceding.  The galaxy is round, with a pretty bright middle and a gainter outer envelope.  Good views were had at 187x.

eg 6619:  1'.2 x 1'.1:  Vis.  13; SB 13.3:  This galaxy, along with 6623, were the brightest ones of the night (Aug. 12th/15).  Randy G. observed with me.  Both galaxies can be seen at moderate powers.  19 was easily spooted at 100x, making a rough triangle with 2 close stars of near equal mag.  The galaxy appeared round, with a very bright core.  A 14 mag. star is conspicous at 200x, and another even closer to the envelope.  250x gave decent views.
http://www.ngcicproject.org

eg 6623:  1'.3 x 1'.2:  Vis. 13; SB 13.5:  A near twin to nearby 6619!  They can be viewed together at 100x, 125x, and 150x.  It shows a stellar core.  Very good views were had up to 250x, where several faint stars were observed near the outer envelope (one of these may have been the MCG galaxy!).
http://www.ngcicproject.org

eg 6628:  1'.9 x 1'.3:  Vis. 12.9; SB 13.8:  Spotted at 100x, it was elongated.  It sits immediately preceding a mag. 9 star.  Weird, but that is all I said about it.
http://www.ngcicproject.org

eg 6632:  3' x 1'.4:  Vis. 12.1; SB 13.5:  A remarkable object, and observed from 60x through 250x.  At 60x and 100x, views were best with averted vision.  It was large, dim, and oval.  At 150x it was difficult to block glare from a nearby 5.5 mag. star, south.  At 187x, 200x, and 250x it was decent, and nearly involved with a faint star, preceding.
http://www.ngcicproject.org

eg 6641:  0'.9 x 0'.7:  Vis. 13.4; SB 12.7:  Spotted at 100x and confirmed at 150x, ti was oval.  187x gives a pretty good view.  The galaxy is pretty large, but sits near a relatively bright star.  It was fading at 200x, but quite oval.
http://www.ngcicproject.org

eg 6658:  1'.7 x 0'.4:  Vis. 12.9; SB 12.4:  Glimpsed with averted vision at 100x, the galaxy was a long, thin, very faint slash.  This is not an object that compares well to its listed mag.  It was seen at 150x and 187x, and was okay to view at 200x with averted vision.  It appears to be involved with a faint star, or perhaps had a bright core, or both.
http://www.ngcicproject.org

eg 6661:  1'.7 x 1'.1:  Vis. 12.1; SB 12.6:  Noted at 100x, it was very bright. 150x showed the oval shape.  It sits in a pretty bright starfield, making initial discovery a bit tricky.  At 187x it is large and medium bright.  Though fading at 200x, it shows a stellar core.
http://www.ngcicproject.org

eg 6669:  0'.9 x 0'.9:  Vis. 15.1; SB 14.7:  One of those mystery objects.  The image below identifies a tight and very faint asterism, which could be what Herschel actually saw.  However, at the location on Uranometria is a faint galaxy.  See the Deep Sky Objects Browser for what I saw.  A round haze, involved with a faint star, is nearly impossible to see, even if the exact location is known.  Seen with averted vision at 200x and 250x.  It is the 4th star in a faint line curving south (not the 5th star, which looks hazy but is actually a close triple star).  I sincerely doubt that Herschel saw the galaxy--the close triple seems more likely.
http://www.ngcicproject.org

eg 6674:  4' x 2'2:  Vis. 12.2; SB 14.4:  Not even visible to me on the last evening, tonight it was quite apparent and lovely!  Spotted at 60x, it was faint, ghostly, and large.  100x shows it as a nice object, though in this range it is a challenge to view it with the 8" stop in place.  A faint star is preceding.  The galaxy is very elongated, with a brighter central area, though the outer elongated envelope is clearly visible.  187x and 200x show 3 stars possibly involved.  It fades overall at 200x, but the central oval is still bright.
http://www.ngcicproject.org

eg 6680:  0'.7 x 0'.4:  Vis. 14.6; SB 13.1:  Spotted at 150x, and also viewed at 200x and 250x.  A small, elongated hazy smudge was noted immediately south of a 10.5 mag. (?) star.
http://www.ngcicproject.org

eg 6697:  1'.2 x 1'.1:  Vis. 12.7; SB 12.9:  Spotted easily at 100x, it was round.  150x reveals a very bright core.  187x and 200x appear to show a star imbedded in the following end.  At 200x and 250x the galaxy is still bright and a good object for a 12" scope.
http://www.ngcicproject.org

UGC 11346:  1' x 0'.7:  Vis. 13.7; SB 13.2:  Lying south preceding 6697, this galaxy i very small and very faint, seen at 200x with averted vision, where it barely shows.  It was slightly improved at 250x, where it finally appeared to be oval and a bit larger.

Mapman Mike




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