Search found 5 matches
- Thu Sep 05, 2019 3:16 am
- Forum: The Observation Deck: Latest Sky Photography
- Topic: Submissions: 2019 September
- Replies: 99
- Views: 145031
Re: Submissions: 2019 September
Summer M22 in Sagittarius Radiant M22 is in Sagittarius, with estimated distance at ~10,000 light years (~3 kPC). Estimated radius of ~50 light years and mass of 290,000 times our sun. M22 is a type VII globular cluster. (credit Wikipedia, and others for object details) Imaging details if you care:...
- Thu Sep 27, 2018 11:41 pm
- Forum: The Observation Deck: Latest Sky Photography
- Topic: Submission: 2018 September
- Replies: 141
- Views: 80234
Re: Submission: 2018 September
Bright colorful M17 in Sagittarius Copyright: Stephen Armen https://farm2.staticflickr.com/1917/31085337598_2c8931459d_b.jpg This image was captured over two nights of extraordinary seeing during August-September 2018 at Tierra Del Sol, California. This is the San Diego Astronomy Association's dark...
- Sat Sep 16, 2017 1:37 am
- Forum: The Observation Deck: Latest Sky Photography
- Topic: Submissions: 2017 September
- Replies: 130
- Views: 78857
Re: Submissions: 2017 September
Synthetic LRGB image of SN2017eaw Copyright: Stephen Armen https://c1.staticflickr.com/5/4336/36437096853_1077a496a3_b.jpg This color image of active supernova SN2017eaw in the galaxy NGC6946 was mapped from the Johnson-Cousins BVRI filter set to LRGB. NGC6946 is known as the fireworks galaxy due t...
- Thu Jun 08, 2017 6:28 pm
- Forum: The Observation Deck: Latest Sky Photography
- Topic: Submissions: 2017 June
- Replies: 131
- Views: 71731
Re: Submissions: 2017 June
NGC4631 LRGB, the end of Galaxy season https://www.flickr.com/photos/18310692@N02/ Copyright: Stephen Armen https://c1.staticflickr.com/5/4203/34891240741_468655bdad_h.jpg NGC4631, known as the whale galaxy in Canes Venatici is a beautiful edge on spiral estimated 25 Million light years distant. Pa...
- Thu Jun 08, 2017 6:18 pm
- Forum: The Observation Deck: Latest Sky Photography
- Topic: Submissions: 2017 June
- Replies: 131
- Views: 71731
Re: Submissions: 2017 June
M3 globular cluster up close and personal https://www.flickr.com/photos/18310692@N02/ Copyright: Stehen Armen https://c1.staticflickr.com/5/4264/35141713206_9b38269a78_o.jpg This is a small section of a focus check frame from a 1 meter telescope of M3 globular cluster in Canes Venatici at ~12x scal...