NGC 7635, Bubble Nebula

[Hughsie]

This image was captured across the three nights 11th, 12th and 13th August 2022.

Equipment;

• William Optics Z103 with flattener (F/L 568 mm).
• ZWO ASI1600mm Pro Cooled to -10 c.
• William Optics 50mm guidescope and ZWO ASI290mm mini guidescope.
• Chroma 1.25” 3nm filters in Ha, O3 and S2.
• SkyWatcher EQ6R Pro mount
• Sesto Senso motor focuser.

Data;

• Ha - 53 exposures
• O3 - 57 exposures
• S2 - 49 exposures

Exposure time 300s, gain 139, offset 30. Darks, Flats and Dark Flats x 50.

Processing

• PixInsight