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1350 views
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Name(s): |
B33 and Flame nebula |
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Date : |
2012-01-28 |
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Location : |
Podljubelj |
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Conditions : |
local light polution |
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Weather : |
-5 to 0 °C, 2 to 4g/m3 |
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Moon : |
0 to 100% |
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Setup : |
TS65EDQ on NEQ6pro, guided with QHY5 on SW80/400 |
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Camera : |
Canon 450D mod. |
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Exposure : |
33x10min RGB + 43x20min Ha ISO800 |
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Processing : |
Iris, PS |
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Object description : |
Taken over several nights form Nov 2011 to Jan 2012. This is a LRGB composite where L is pure Ha (7nm).
The Horsehead Nebula a.k.a. B33 is a dark nebula in the constellation Orion. The red glow originates from hydrogen gas predominantly behind the nebula, ionized by the nearby bright star. The darkness of the Horsehead is caused mostly by thick dust.
To the lower left is the Flame nebula a.k.a. NGC2024. The flame is lit by the bright ultraviolet light emmited by the bright star Alnitak. |
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Object size & distance |
8 arc minutes, 1500 ly |
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Previous attempt:
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219 views
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Name(s): |
Horsehead Nebula |
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Date : |
2009-11-12 |
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Location : |
Podljubelj |
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Conditions : |
Low local light pollution, bad seeing at start, but improved over night |
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Weather : |
0°C |
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Moon : |
20% |
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Setup : |
SW 254/1200 on NEQ6pro, guided with SW80/400, SPC900NC |
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Camera : |
Cano 450D mod. |
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Exposure : |
48x300s, ISO 800 |
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Processing : |
Iris, PS |
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Object description : |
The Horsehead Nebula is a dark nebula in the constellation Orion. The red glow originates from hydrogen gas predominantly behind the nebula, ionized by the nearby bright star. The darkness of the Horsehead is caused mostly by thick dust. |
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Object size & distance |
8 arc minutes, 1500 ly |
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Previous attempt:
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93 views
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Name(s): |
Horsehead Nebula |
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Date : |
2009-10-27 |
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Location : |
Podljubelj |
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Conditions : |
Low local light pollution |
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Weather : |
6°C |
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Moon : |
7 days old |
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Setup : |
SW 254/1200 on NEQ6pro, guided with SW 80/400 |
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Camera : |
Canon 450D |
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Exposure : |
21x300s ISO 800 |
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Processing : |
Iris, PS |
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Object description : |
The Horsehead Nebula is a dark nebula in the constellation Orion. The red glow originates from hydrogen gas predominantly behind the nebula, ionized by the nearby bright star. The darkness of the Horsehead is caused mostly by thick dust. |
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Object size & distance |
8 arc minutes, 1500 ly |
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