Butterfly nebula in Cygnus

Started 1 week ago | Discussions thread
Rutgerbus Senior Member • Posts: 1,799
Re: Butterfly nebula in Cygnus

anilketkar wrote:

Rutger : I do have & use my iOptron Skytracker for such widefield objects. However, the LP in my backyard is horrendous - measured skyfog per Samir Kharusi's simple method for DSLRs came out at 17.5 to 17.8 mag/arc-sec. A white zone primarily due to Houston's LP dome made worse by neighbour's bright security lights pointed almost directly towards my yard. Plus, high humidity during summers in Houston makes the air very hazy and seeing is poor. Anyway, thanks for looking and the kind words ..... Anil

Then you should consider yourself a good Light Pollution Filter

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