Hi Bill, some very interesting observations and sketches of the Hickson clusters. HCG 69 and the surrounding galaxies looks pretty good. I will try it the next...
17915
Matthias Kronberger
cybermudl
May 1, 2006 2:07 pm
I'll have a look for it when I'm back in Vienna. The library of the local observatory even owns the Astronomiceskij Tsirkular volumes from the 50's and 60's so...
17916
billferris2003
May 1, 2006 6:16 pm
Greetings Uwe, The linear arrangment of the galaxies in Hickson 55 is interesting. And I imagine seeing that distant cluster sharing the same field as NGC 3718...
17917
Steve Coe
stevecoeaz2001
May 1, 2006 11:47 pm
Howdy all; A listing of red stars to observe is now posted on the Saguaro Astronomy Club web site. Link: www.saguaroastro.org The list contains the name,...
17918
Steve Gottlieb
steven_gottlieb
May 2, 2006 12:53 am
Here are my notes on the HCG 69 field. The main identification problem is that HCG 69B was misidentified as IC 4345 in the RC3 and subsequently the PGC....
17919
Brian Skiff
bas@...
May 2, 2006 3:59 am
... Is the implication that NED is correct, or as good as can be inferred from the source observations? \Brian...
17920
pensack1
May 2, 2006 5:26 am
An unusual marine layer blanket of clouds covered nearly all of the light dome of the Los Angeles basin on the evening of Sunday, April 30. As a result, the...
17921
pensack1
May 2, 2006 5:36 am
Sorry, forgot to sign the post. Don Pensack Los Angeles ... light ... a ... to ... photos...
17922
Steve Gottlieb
steven_gottlieb
May 2, 2006 7:15 am
I just double checked NED and it's in agreement with the aliases in my notes. The one question I had was MCG +04-33-028, which I listed as HCG 69C, though...
17923
Kenneth Drake
oortdrako
May 2, 2006 11:54 am
Bill, I attempted to observe what appeared to be a dark lane in Hickson 69a from the '95 TSP in my 24 incher (f/5.6) with total failure. The previous Fall I...
17924
Matthias Kronberger
cybermudl
May 2, 2006 6:47 pm
While checking some DSS-images in southern Cygnus, I came across a small nebulosity that might be a new PN. Given its brightness on the DSS, it should be...
17925
Brian Skiff
bas@...
May 2, 2006 7:03 pm
I agree this looks likely a good candidate, and also agree that the IRAS and NVSS detections apply to this object. The IRAS 'colors' are somewhat ambiguous,...
17926
Matthias Kronberger
cybermudl
May 2, 2006 7:23 pm
It seems that its brightness on the blue plates is similar to nearby Patchick 1, so it might be observable with 14 or 16-inch. Amazing anyway that such a...
17927
billferris2003
May 2, 2006 7:49 pm
Hi Steve, Thanks so much for sharing your detailed notes and shedding some light on misidentifications in the Hickson 69 field. Regarding the discrepancies...
17928
Celso
cpamontalvo
May 2, 2006 11:12 pm
On Saturday night I saw the Comet 73P. Fragment C was visible at naked eye, dimly but clearly detectable as soon it was located. It showed a nice 1/2º tail...
17929
Steve Gottlieb
steven_gottlieb
May 3, 2006 12:53 am
A quick check of the original IC positions (or better yet, Javelle's positions) confirms that MegaStar5 has mixed up the identifications of IC 4346, 4348 and...
17930
Mike Kerr
mkerrau
May 3, 2006 8:28 am
I'm checking the colours of the brighter stars in the Jewel Box cluster (NGC 4755) and have found a discrepancy in the Hipparcos data that has me confused. The...
17931
Brian Skiff
bas@...
May 3, 2006 8:50 am
... BT and VT are not the same as standard B and V, and to correct BT-VT to standard B-V, multiply by about 0.85, or use the Bessell corrections:...
17932
Jeremy Perez
jperez1690
May 3, 2006 9:07 am
I wish I could have posted this sooner, but I enjoyed a great view of the comet with Bill and Brent that evening. (Observations made with a 6" f/8 newtonian) ...
17933
Mike Kerr
mkerrau
May 3, 2006 9:41 am
Brian, ... Thanks for the clarification. Mike...
17934
Sebastian Otero
varsao
May 3, 2006 10:06 pm
... And by the way, this is a red variable star, DU Crucis. It ranges approximately from V= 7.2 to 7.7. Cheers, Sebastian....
17935
Barbara Wilson
barbarawilson2
May 4, 2006 5:27 am
Yes, "C" was visible naked eye from the Texas Star Party on Friday April 29th when high overhead. I thought I could see it with unaided vision earlier in...
17936
Matthias Kronberger
cybermudl
May 4, 2006 8:12 am
Brian, a question concerning the brightness of PNe on the red and blue DSS: In a recent paper of Boumis et al. (MNRAS 367, 1551(2006)), the ratio ...
17937
Bill Tschumy
btschumy
May 4, 2006 1:14 pm
Can anyone suggest a good source for interstellar extinction data on common deep sky objects? -- Bill Tschumy Think Astronomy -- Austin, TX ...
17938
pensack1
May 4, 2006 5:38 pm
For galaxies in common telescopes, try: "Nearby Galaxies Catalog" by R.Brent Tully, c.1988 Cabridge University Press. Info for 2367 of the nearest galaxies. ...
17939
Susan French
susancfrench
May 4, 2006 5:52 pm
Folks, Is Aladin busted? I've been unable to retrieve Aladin images for several days. Clear skies, Sue...
17940
Dana Patchick
danapatchick
May 4, 2006 6:14 pm
Hi Sue, Seems to be working fine. Must be those pesky sunspots again : ) Best regards, Dana...
17941
Kent Wallace
kwwallace@...
May 4, 2006 6:16 pm
Hi Sue, The Aladin Previewer off SIMBAD is working now. It was acting weird a couple days ago. Clear skies! Kent ... From: "Susan French"...
17942
Steve Gottlieb
steven_gottlieb
May 4, 2006 7:05 pm
Several years back, I believe there was a paper that extended Hickson's criteria to compact groups below -32° (Hickson's limit was set by the POSS). I'm...
17943
Brian Skiff
bas@...
May 4, 2006 7:21 pm
... From the transition probabilities certainly---though presumably someone (a long time ago) actually measured it to see that the real objects matched the...
