Dolphin Head Nebula

James Zhen

Catalogued as Sh2-308, AKA the Dolphin Head Nebula, it lies some 5,200 light-years away toward the constellation of Canis Major.

Back to try Heq5 pro belt since I upgraded by myself last August.
The guiding is as good as Sharpstar mark iii Harmonic Drive Mounts , sometimes results even better.

Camera settings
Temp:0℃ and -10℃
Gain 100
Exposure time:300 seconds x 250 shoots
Bortle Scale : 6 in Adelaide South Australia

Main Camera: ZWO 2600MC - Oil Leaking version
Guide Camera : ZWO 120MC
Mount: Skywatcher HEQ5PRO
Telescope: ASKAR 107PHQ
Filter: ASKAR 3nm Dualband filter
ZWO Air-Pro

uploaded 10 янв, 2023 Copyright by James Zhen

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