Celestial equator (increasing RA): Pisces, Cetus, Taurus, Eridanus, Orion (near Orion's belt), Monoceros, Canis Minor, Hydra, Sextans, Leo, Virgo, Serpens (caput), Ophiuchus, Serpens (cauda), Aquila, Aquarius

Galactic Equator: Sagittarius, Serpens (cauda), Scutum, Aquila, Sagitta, Vulpecula, Cygnus, Cepheus, Cassiopeia, Camelopardalis, Perseus, Auriga, Taurus, Gemini, Orion, Monoceros, Canis Major, Puppis, Vela, Carina, Crux, Centaurus, Circinus, Norma, Ara, Scorpius, Ophiuchus

Telescope designs!!!

Important Messier objects: messier-objects.com (those with common names)

RA Estimation

Alpheratz: 0h

Hamal: 2h

Betelguese: 6h

Regulus: 10h

Denebola: 12h

Spica: 13h30m

Antares: 16h30m

Alnasl: 18h

Altair: 20h

Markab: 23h

Top of the edge of Ursa Minor (beta star) has RA of 15h

Formulae

Aperture: diameter of primary lens/mirror: $D$

Magnification: $m=f_{scope}/f_{ep}=v/u$