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2 Attachment(s) ASTRO: Hubble's Variable Nebula, 2012 compared to 2011 by Rick Johnson[_2_]
I've been doing Hubble's Variable Nebula each year. Unfortunately except for 2010 and 2011 I used different exposure times making comparisons difficult. ...
April 23rd 12 09:25 PM
by Stefan Lilge Go to last post
1 1,025
3 Attachment(s) ASTRO: vdB 24 and 4 YSOs by Rick Johnson[_2_]
VdB 24 is an interesting reflection nebula in Perseus illuminated by the star XY Persei, a 9th magnitude variable star that can dim down to magnitude 11. It...
April 23rd 12 09:22 PM
by Stefan Lilge Go to last post
1 921
3 Attachment(s) ASTRO: VII Zw 466 OK I'm getting obscure again but it's a doozy by Rick Johnson[_2_]
VII Zw 466 is a ring galaxy about 650 million light-years away in the tail of Draco. It is 4.6 minutes north of NGC 4613, another type of ring galaxy. VII...
April 23rd 12 09:13 PM
by Stefan Lilge Go to last post
1 1,242
2 Attachment(s) ASTRO: M47 by Rick Johnson[_2_]
M 47/NGC 2422 is a very coarse open cluster about 1600 light-years distant in Puppis. In my skies it is an easy naked eye object and great in very small...
April 22nd 12 06:17 AM
by Rick Johnson[_2_] Go to last post
0 694
3 Attachment(s) ASTRO: SN 2012aw in M95 by Rick Johnson[_2_]
M95 in Leo is a rather common target for small telescopes. I found two different estimates for the distance to M95. Most sources say 38 million light-years...
April 20th 12 05:13 AM
by Rick Johnson[_2_] Go to last post
0 733
1 Attachment(s) ASTRO: IC 426 by Rick Johnson[_2_]
IC 426 is a reflection nebula in Orion, likely illuminated by Mintaka, the right hand star in Orion's belt. Like nearly all the nebulae in Orion it is part...
April 17th 12 07:58 AM
by Rick Johnson[_2_] Go to last post
0 729
2 Attachment(s) ASTRO: PK217+14.1 by Rick Johnson[_2_]
PK 217+14.1 aka Abell 24 is a rather large planetary nebula in Canis Minor. Distances to planetary nebulae are hard to determine. This one is close enough...
April 15th 12 06:03 AM
by Rick Johnson[_2_] Go to last post
0 643
2 Attachment(s) ASTRO: Arp 199 under very poor seeing by Rick Johnson[_2_]
Arp 199 is a pair of apparently interacting galaxies in Bootes about 150 million light-years distant. The pair consists of NGC 5544 and NGC 5545 right...
April 9th 12 08:44 PM
by Rick Johnson[_2_] Go to last post
0 969
1 Attachment(s) Astro: I have an imaging problem thats driving me mad.......help required please. by Paul[_9_]
Hi Guys Ok the seeing was not great but this is my 1st attempt at true, fully guided, astrophotography and as you can see I have a problem and I cant see...
April 9th 12 05:01 PM
by Paul[_9_] Go to last post
3 1,044
1 Attachment(s) Astro: Milky Way by Chris
Hi all, my first actual image posting to this group! This was taken using a Canon 450d, unmodified, with the 18-55mm stock lens on a barn door mount, mid...
April 6th 12 01:07 AM
by Chris Go to last post
0 654
3 Attachment(s) ASTRO: VV 699 (NGC 1721-5-8) NGC 1725 Unusual and peculiar Galaxies by Rick Johnson[_2_]
VV699 is a triple galaxy system in Eridanus about 170 to 200 million light-years distant. The three are NGC 1721, NGC 1725 and NGC 1728. Their redshifts put...
March 31st 12 08:09 AM
by Rick Johnson[_2_] Go to last post
0 1,136
1 Attachment(s) ASTRO: NGC 4731/4775 (galaxies in Virgo) by Stefan Lilge
My last post seems to have landed in nirvana, so I'll try again: _________________________________________________________________ My news-provider seems to...
March 28th 12 07:13 AM
by Rick Johnson[_2_] Go to last post
1 1,745
3 Attachment(s) NGC 3198 Big Grand Design Spiral by Rick Johnson[_2_]
NGC 3198 is a classic spiral galaxy in southern Ursa Major near the western back foot. Recent Cepheid measurements by the HST put it at 47.3 million...
March 22nd 12 11:34 PM
by Rick Johnson[_2_] Go to last post
2 1,151
4 Attachment(s) ASTRO: Magakian 102/GN 05.26.7 by Rick Johnson[_2_]
Ok, that's about as obscure as you can get. Magakian 102/GN 05.26.7 is a reflection nebula in Auriga about one and a half degrees east of IC 410. A note in...
March 22nd 12 11:17 PM
by Rick Johnson[_2_] Go to last post
5 1,013
2 Attachment(s) ASTRO: NGC 1156 A nearby blue dwarf galaxy by Rick Johnson[_2_]
NGC 1156 is a nearby Magellanic dwarf galaxy in Aries. While it is nearby I can't put a very definite number on it's distance. Redshift would indicate...
March 22nd 12 11:11 PM
by Rick Johnson[_2_] Go to last post
2 1,231
4 Attachment(s) ASTRO: Arp 217 The Bow and Arrow Galaxy NGC 3310 by Rick Johnson[_2_]
Arp 217/NGC 3310 is an example of a galactic merger. There are two cores separated by 2" of arc. Imaging at 1" per pixel I was unable to resolve this. A...
March 22nd 12 11:08 PM
by Rick Johnson[_2_] Go to last post
2 992
3 Attachment(s) ASTRO: IC 2248 et al by Rick Johnson[_2_]
IC 2248 is a spiral galaxy that reminds me of M94 and other galaxies with an outer ring that usually appears detached from the inner structure. In this case...
March 22nd 12 11:04 PM
by Rick Johnson[_2_] Go to last post
2 735
3 Attachment(s) ASTRO: Overstocked on NGC and IC galaxies. Plenty to choose from. by Rick Johnson[_2_]
NGC 4911 is one of the few spirals in the Coma Cluster. Due to interaction with NGC 4911A to the southwest the galaxy is surrounded by a huge faint plume of...
March 21st 12 09:35 PM
by Stefan Lilge Go to last post
1 934
2 Attachment(s) ASTRO: Pal 2 by Rick Johnson[_2_]
The 15 Palomar globular clusters were found by scrounging the POSS 1 plates back in the 1950's. This was done by astronomers looking for other objects so...
March 21st 12 09:24 PM
by Stefan Lilge Go to last post
1 819
2 Attachment(s) ASTRO: NGC 2149 and vdB 66 by Rick Johnson[_2_]
NGC 2149 is a somewhat unknown reflection nebula in the southwest corner of Monoceros. Just to its west is smaller, dimmer and less defined vdB 66 around a...
March 21st 12 09:24 PM
by Stefan Lilge Go to last post
1 872
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