Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Horsehead nebula  ·  IC 434  ·  NGC 2023
Horsehead nebula at the T60, Pic du midi, apricot
Horsehead nebula at the T60, Pic du midi
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Horsehead nebula at the T60, Pic du midi

Horsehead nebula at the T60, Pic du midi, apricot
Horsehead nebula at the T60, Pic du midi
Powered byPixInsight

Horsehead nebula at the T60, Pic du midi

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Description

A quick image as a star test after collimating M2 at the T60, Pic du Midi

Fun stuff to collimate a 600 mm Newton at f/d 3.5 with a Cassegrain hole !

Just ten 20 sec image (bin 2x2) for each RGB filter, CCD SBIG STL6303E

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Horsehead nebula at the T60, Pic du midi, apricot