OBJECT |
M27 - NGC 6863 (Dumbbell Nebula) (image
above is reduced-size crop | other sizes: medium
, original)
Distance:
1,360 light years |
Telescope |
Takahashi TOA-130F @ f/7.7 |
Mount |
Takahashi EM200 Temma II |
Camera |
QSI 540wsg @ 0C --- almost 90F
ambient! :( |
Filters |
Astrodon Ha 3nm, Astrodon Tru-Balance I-Series LRGB Gen
2 |
Guider |
SX Lodestar |
Settings |
3x5min Ha (bin1x1); 5x5min L (bin1x1); 2x2.5min ea RGB (bin2x2); AstroArt5, PS7 (slightly cropped, 10 darks, no
flats) |
Date/Location
Notes |
26 June 2012 - Las Cruces, NM (data
reprocessed on 26 May 13)
Published as Astronomy Magazine Picture of the Day, 9
Dec 13
(screenshot).
|
Copyright Jeffrey O. Johnson
|