Herschel's Garnet Star (μ Cephei) on the outskirts of IC 1396

Posted: Sep 5th, 2026

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NGC

Technical Info

Telescope/Lens: Sky Rover 125 F/7.8 GPA

Camera: ZWO ASI533MM PRO

Mount: EXOS-2 OnStep

Guide Scope: ZWO 30F5

Guide Camera: ZWO ASI 120 MM MINI

Software: DeepSkyStacker, Siril+PS

Accessories: TS Optics 0.8x reducer/flattener

Exposure:

50 x 60" ISO/Gain: 100 - L

15 x 60" ISO/Gain: 100 - R

15 x 60" ISO/Gain: 100 - G

15 x 60" ISO/Gain: 100 - B

180 x 60" ISO/Gain: 100 - Ha

120 x 60" ISO/Gain: 100 - OIII

Orange, Bortle 6 zone:

Tyumen, Russia

6 h 35 m

116

Resolution: 5025x5025 px

Scale: 10145 KB

2x2 mosaic, integration time given for one tile. Stars in LRGB, nebula in HOO.

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I overdid the denoise and contrast a bit, and Siril stacks better quality.

5 Sep, 2026 Reply

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