On 9/1/2010 3:38 PM, glen youman wrote:
NGC 6905 - Blue Flash Nebula
Delphinus
Penryn, California
July 2006.August 2010
M 250 ST-10XME RGB 5 minute subs (2006)
M 250 @ f9.3, ST-10XME Lum 10 minute subs (2010)

A small (31 arc second) mag. 12 classic planetary nebula. The central
star is a Wolf-Rayet star and is one of the three hottest known star
(Miskey et. al., 2000).

Image up-sampled 1.25x.


I don't recall seeing the ansae so well before. How many 10 and 5
minute subs? This time of the year I rarely have seeing for such little
fellas. Course clouds forecast for the next 10 days won't help!

Rick
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Correct domain name is arvig and it is net not com. Prefix is correct.
Third character is a zero rather than a capital "Oh".