Flickr: Simon P Murray's Photostream

California Nebula with unmodified DSLR

18th Februrary 2012 19:33 UT
135mm f2.8 Vivitar (m42) lens
ISO 400 Canon 300d (unmodified)
18 x 5 mins exposures with darks
Vixen GP mount - unguided
Lumicon Deep Sky Filter 'clipped' into camera behind lens
Vallum Farm - Northumberland UK (SQM reading 20.7)

California Nebula is a huge very faint nebula in the shape of California. Its size is 2.3 x 0.7 degrees

Uploaded on Feb 19, 2012

4 notes / 3 comments

Rosette Nebula with unmodified DSLR

18th Februrary 2012 21:39 UT
135mm f2.8 Vivitar (m42) lens
ISO 800 Canon 300d (unmodified)
10 x 5 mins exposures with darks
Vixen GP mount - unguided
Lumicon Deep Sky Filter 'clipped' into camera behind lens
Vallum Farm - Northumberland UK (SQM reading 20.7)
focus slightly out

Rosette Nebula is a large emission nebula and open cluster over 1 degree in diameter

Uploaded on Feb 19, 2012

8 notes / 3 comments