27th August 2019
20:30h 30°C low humidity
Southern Balcony, SkyWatcher 254mm dobson, Leupold 8x42
So, after a week of cloudy nights and rain, finally, let's say, clear sky.
It was well after dusk when I brought out my Dobsonian.
It took some 10 minutes to collimate telescope in the dark with a laser collimator.
The sky is clear but seeing is very poor.
Naked eye, I can see just parts of southern sky asterisms.
So, a quick look to Saturn with Plossl 25mm at 48x, then with 10mm Plossl at 120x. OK, nice view. Saturn is very small but
somehow crisp seeing. My 6 yo son came to see Saturn, he is glad to see his old buddy. He wants to see Titan. Hmmm.
I tried to look at Jupiter but was already behind my neighbor's cherry tree.
I grab a Leupold, quick scan of the sky. I'm refreshing what I have learned last time.
I need to check again some asterisms on the phone app.
OK, Ophiuchus - check! Aquila - check ! Sagitta - check ! Coathanger check ! Trying to recognize some new stars and shapes
under the Serpens Caput, checking the phone again, they are parts of Scorpius and Libra.
Can't see Lyra, it is high in the sky, my roof is blocking the view.
Can't see Deneb too but if I lean over a fence a bit I can see whole Cygnus.
My night vision adaptation is ruined every now and then by my neighbour's awkward front house light.
Ok, so there is Albireo. I can barely see it naked eye.
I grab my Leupold again, but it's hard to ID Albireo through binoculars.
Can't see rest of Cygnus and Lyra at all so that is making me lost all the time.
Leaning over the fence again naked eye, ok, there's Deneb, that's Sadr so that is Albireo.
OK, again with binoculars, I'm not sure again.
My younger, 3 yo kid is coming to find his older brother with turned on mobile phone full brightness white screen.
My vision is ruined again.
Can't see Albireo at all now.
After 5 minutes both kids are inside the house.
I'm trying to point Dobsonian at the Albireo.
So, I found markers, some 3 degrees from the edge of my roof and near the power cable.
OK, now through the finderscope, I'm not sure where am I, looking around for the brightest star, I think I found it finally.
Looking through the 25mm Plossl at 48x, yes, that's Albireo, very nice. First seeing of double star.
Switching to 10mm Plossl and 120x, trying not to shake Dobson, the focus is out, but the double star is there.
A hint of blue and yellow.
Switching to the Lacerta 82° 7 mm with 171x, beside the wider FOV, I see no noticeable difference.
If my calculations are correct, aFOV with Lacerta is 0.48° and with 10mm Plossl is 52/120= 0.43°
I'm glad I saw Albireo double star for the first time.
Then I took a quick look to the East naked eye, I can see parts of Andromeda and Pegasus.
To be more precise I can see Mirach, Alpheratz, Sheat and Markab.
Rest is not visible naked eye. There is nasty haze and glow there.
Wanted to look at M31 through Dobson but I'll have to wait for it.
So that's it for tonight. Spent outside almost 2 hours.
I didn't saw much but after a week this is nice.
Clear Skies !