Great shots and nice processing! Robert Pitt, P.E., Ph.D. BCEE, D.WRE Emeritus Cudworth Professor of Urban Water Systems Department of Civil, Construction, and Environmental Engineering The University

I used a C9.25 f/10 with LPro filter to get this last night. 40 subs used at 3 min each, OSC ASI2600MC). Now to try to figure out how to blend this with the narrowband image.... Also did M33 OSC last

I used a C9.25 f/10 with Radian Triad Ultra narrowband filter to get this last night. 25 subs used at 3 min each. Going to try for 5 min subs tonight as lost a lot of subs last night (originally had 9

Nice detail Sterling! Preserved the core too. Interesting stuff at long edges. Regards, Bob Robert Pitt, P.E., Ph.D. BCEE, D.WRE Emeritus Cudworth Professor of Urban Water Systems Department of Civil,

Thanks Fred. I can see how folks spend a season (or more) on single targets (esp in light polluted areas)! Regards, Bob Robert Pitt, P.E., Ph.D. BCEE, D.WRE Emeritus Cudworth Professor of Urban Water

Thanks John. I tried to get M33 with LPro filter last night just for that, but only got 3 subs before had to shut down. Did get lots for bubble though. Will process and figure out how to combine. M33

Hello Don: You shouldn’t really use traditional narrow band filters with a color camera as it is very inefficient (1/4 of the photosites, just red for Ha for example, used), but it is possible and won

Howdy folks: Here are a couple of pics from Thursday night from my backyard observatory (9.25 f/10 with ASI 2600 MC camera and Radian ultra plus filter). The filter is multi-narrowband (Ha, Hb, O3, S2

On the 12th sept, the moon sets about 11 pm, and then an hr later each night. So you can view late night to early morning, if you’re a night person. Also, it would be useful for landscape astrophotogr

He mentioned that the buildings were included in the survey and land in the deed; hopefully someone can get a copy of the deed to see what was actually included and our access. Regards, Bob Robert Pit

Thanks Sterling and Myron; that’s quite an outburst! Robert Pitt, P.E., Ph.D. BCEE, D.WRE Emeritus Cudworth Professor of Urban Water Systems Department of Civil, Construction, and Environmental Engine

Very interesting! How long does the outburst “last” before dimming? Robert Pitt, P.E., Ph.D. BCEE, D.WRE Emeritus Cudworth Professor of Urban Water Systems Department of Civil, Construction, and Envir

Hello folks: Just got back from Chandler. The issue was the door to the Sirius dome. The latch apparently sprung open during high winds (the latch is a swing latch, but apparently has little overlap).

Thanks Ed. I will head up mid day to see what’s up and try to deal with it. Regards, Bob Robert Pitt, P.E., Ph.D. BCEE, D.WRE Emeritus Cudworth Professor of Urban Water Systems Department of Civil, Co

Wow! Very nice Tony. Regards, Bob Robert Pitt, P.E., Ph.D. BCEE, D.WRE Emeritus Cudworth Professor of Urban Water Systems Department of Civil, Construction, and Environmental Engineering The Universit

Another very nice one! Fun to zoom into.... Robert Pitt, P.E., Ph.D. BCEE, D.WRE Emeritus Cudworth Professor of Urban Water Systems Department of Civil, Construction, and Environmental Engineering The

Wonderful! Robert Pitt, P.E., Ph.D. BCEE, D.WRE Emeritus Cudworth Professor of Urban Water Systems Department of Civil, Construction, and Environmental Engineering The University of Alabama Rpittal at

Very nice colors Don and both internal stars clearly visible! Regards, Bob Robert Pitt, P.E., Ph.D. BCEE, D.WRE Emeritus Cudworth Professor of Urban Water Systems Department of Civil, Construction, an

I also agree we should suspend public star parties (and not restart in-person club meetings) until the rate goes down, and to keep appropriate distancing at Chandler. Regards, Bob Robert Pitt, P.E., P

Sent: Thursday, August 5, 2021 9:11 PM To: 'main@bas-astro.groups.io' <main@bas-astro.groups.io> Subject: RE: [bas-astro] quick and dirty drift alignment You're welcome Bob; looks good as it seems to