By Anthony Charles Cook (auth.), Anthony Cook (eds.)
In 2004, it grew to become seen that Henry Hatfield’s unique atlas wasn’t compatible for all present commercially-made beginner telescopes. Newtonian telescopes and astronomical refractors – for a few years the single selection for amateurs – invert the saw photo. the traditional Hatfield Atlas for this reason follows the IAU (International Astronomical Union) conference of getting maps (and pictures) with South on the most sensible and West at the left: an inverted image.
However, the present levels of Schmidt-Cassegrain and Maksutov telescopes – that’s such a lot of these synthetic by means of Meade, Celestron, and so forth – don’t invert the saw picture yet in its place opposite it left-for-right. That’s with North on the most sensible and East at the left. as a result of method the human visible approach works, it really is nearly very unlikely to mentally ‘mirror-image’ a map to check it with the view during the eyepiece , so even turning an IAU-standard atlas upside-down doesn’t help!
This new SCT model of the Atlas solves this challenge for observers. id of lunar gains is made quickly and straightforward.
Read or Download The Hatfield SCT Lunar Atlas: Photographic Atlas for Meade, Celestron, and Other SCT Telescopes: A Digitally Re-Mastered Edition PDF
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Additional info for The Hatfield SCT Lunar Atlas: Photographic Atlas for Meade, Celestron, and Other SCT Telescopes: A Digitally Re-Mastered Edition
Example text
Note the ridges on the mare to the southwest of Posidonius (b7), and the domes near Arago (c2). These are shown on a larger scale on Plate 3f. Plate 1c 2137 UT Dec 25 1966. 8 days (2 days before Full Moon). 7°. Diameter 64 cm. Compare this with Plate 1a, which shows almost the same area. Plate 1d 1835 UT Mar 18 1967. 6 days. 9°. Diameter 64 cm. Although the Moon’s age here is almost the same as in Plate 1a, the aspect is different because of the different libration. Triesnecker, Hyginus and their systems of rilles.
You can pretty much classify any object that you see moving across the lunar surface through a telescope as a non-TLP. In all of the flowcharts (Appendix 2 in this book), the rules given are only guidelines, and it is really common sense to check other features to see if these show similar effects. Once all the checks have been gone through to establish some credibility of any suspected TLP, then further courses of action are needed. First you should alert other observers to check out the feature concerned for independent confirmation.
30 km (h2) Maclaurin ................................... 54 km (b1) This map has been prepared from Plates 3a and 3d. Plates 3b, 3c, and 3e show the same area under different lighting. Plate 3f shows larger scale photographs of the area near Arago (h3), and the wrinkle ridges east of le Monnier (g7). Plate 3g shows Messier and Messier A (d1). Note: In Plate 3c d4 are shown the two Promentaria Olivium and Lavinium, which were once thought to be spanned by a natural arch. This is now known to be a shadow effect, and the names are not in current use.