WebJul 22, 2024 · The objective of this study was to evaluate long-term change in shortwave irradiance in central Arizona (1950–2024) and to detect apparent dimming/brightening trends that may relate to many other global studies. Global Energy Budget Archives (GEBA) monthly data were accessed for the available years 1950–1994 for Phoenix, Arizona and … Web1 day ago · The field appears to be flat with no need to refocus center to edge. Stray light seems well controlled as is light scatter around bright objects like planets. They work well together as a pair in binoviewers since they are fairly light and compact. There is no noticeable kidney beaning (SAEP), other blackout types, or edge of field brightening ...
EOFB - Eyepieces - Cloudy Nights
WebNov 18, 2024 · edge of field brightening.jpg. Apparently there are technical issues, please wait patiently . You do not have the required permissions to view the files attached to this post. See Far Sticks: Antares 105mm f/15 (modified), AOM 105mm f/9.5, Celestron 150mm f/8 (modified), Stellarvue NHNG DX 80mm f/6.9, TAL 100RS f/10, Vixen SD115s f/7.7 WebSep 23, 2009 · Page 1 of 3 - Eyepiece outer field brightening survey - posted in Eyepieces: I think it might be worth it to see how many people have noticed this effect and with which eyepieces. Ive commented on it a few times and there are a few people that seem to see the same thing I am seeing.The effect Im talking about can be described … the topher kia
Omegon Eyepiece Redline SW - Eyepieces - Cloudy Nights
WebAug 7, 2024 · Overall the 9mm expanse was the worst of the three. It had the most difficult eye placement. It had the worst edge performance and some edge of field brightening. If Agena had the BST UWA in stock I would say go with them for $55. WebSep 21, 2013 · Field curvature is an issue with the telescope itself, a short focal length refractor or an non-Edge SCT has significant field curvature. Mark's 4 inch F/5.5 Doublet would be more than a millimeter out of focus at the edge of a 30mm UWA eyepiece. WebJan 5, 2024 · Page 2 of 19 - EOFB - the new eyepiece disease for neurotics - posted in Eyepieces: A few additional thoughts to add to my last post. When I first started discussing Edge of Field Brightening I described it as Edge of Field Lightening and I think Jon is correct that Don first responded with the terminology Edge of Field Brightening. At any … set up spectrum email on ipad