OBJECT |
NGC 7293 (Helix Nebula - aka, "Eye of God") in HaRGB (image above is
reduced-size | other sizes: medium
, original)
Distance:
700 light years
|
Telescope |
Takahashi TOA-130F @ f/7.7 |
Mount |
Takahashi EM200 Temma II |
Camera |
QSI 540wsg @ -10C |
Filters |
Astrodon Ha (3nm), Astrodon Tru-Balance I-Series LRGB Gen
2 |
Guider |
SX Lodestar |
Settings |
9x20min Ha (bin1x1); 2x5min ea RGB (bin2x2); AstroArt5, CS4 (slightly cropped, 10xdarks/flats/fdarks/bias) |
Date/Location |
28 September 2013 - Las Cruces, NM
Published in All About Space Magazine,
Issue 82, Sep 18, pg 91.
Published by Astronomy
Today, 19 May 15.
Note: This object imaged to south, directly into "red
level" light pollution in my city, which Ha ignores (but the RGB was
a challenge). |
Copyright Jeffrey O. Johnson
|
|