|
|
Thread Tools | Display Modes |
#1
|
|||
|
|||
ASTRO: 4 h 20 min Halpha in the Propeller Nebula (dwb111)
Taken from my backyard in castro valley ca, using the 18" at f/12.6 (5760mm)
and the Proline 9000 with a Baader Halpha filter (50 x 50 mm sq) |
#2
|
|||
|
|||
ASTRO: 4 h 20 min Halpha in the Propeller Nebula (dwb111)
That's a cook one Richard, nice job!
Richard Crisp wrote: Taken from my backyard in castro valley ca, using the 18" at f/12.6 (5760mm) and the Proline 9000 with a Baader Halpha filter (50 x 50 mm sq) -- John N. Gretchen III http://www.tisd.net/~jng3 |
#3
|
|||
|
|||
ASTRO: 4 h 20 min Halpha in the Propeller Nebula (dwb111)
Richard Crisp wrote: Taken from my backyard in castro valley ca, using the 18" at f/12.6 (5760mm) and the Proline 9000 with a Baader Halpha filter (50 x 50 mm sq) Even with that large chip it barely fits the FOV. Filter wheels for square filters now. Keeps you buying filters as chip size increases. Rick -- Correct domain name is arvig and it is net not com. Prefix is correct. Third character is a zero rather than a capital "Oh". |
Thread Tools | |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
ASTRO: M27 in Halpha | Stefan Lilge | Astro Pictures | 3 | July 15th 08 05:33 AM |
ASTRO: VDB 142 Halpha | Patrice Boyer | Astro Pictures | 5 | December 3rd 07 07:43 PM |
DWB-111 The Propeller Nebula | Dennis Persyk | CCD Imaging | 0 | October 1st 04 05:27 PM |
DWB-111 The Propeller Nebula | Dennis Persyk | Misc | 0 | October 1st 04 05:17 PM |
ASTRO: Cone Nebula in Halpha | Richard Crisp | Astronomy Misc | 0 | January 3rd 04 10:04 PM |