This is also the more common criticism of the whole sign and equal house method as it concerns the location of the Medium Coeli (Midheaven), the highest point in the chart. In the equal house system, the ascendant/descendant and midheaven/IC axes can vary from being perpendicular to each other (from approx. +-5 deg at most at equator to approx. +-15 degrees at Alexandria to +-90 degrees at polar circle). As a result, equal houses counted from the ascendant cannot in general place the midheaven on the tenth house cusp, where many feel it would be symbolically desirable. Since this point is associated with ambition, career, and public image, the argument is that the Midheaven, therefore, must be the cusp of the similar tenth house. It has also been linked by extension with Capricorn (the tenth sign of the zodiac). The equal house system always takes the MC to be first and foremost THE most important indicator of career; whereas the 10th house cusp, while taken into account, is interpreted simply as a weaker 2nd MC cusp. The Midheaven is not associated with house locations defined by the Whole Sign and Equal House system, rather, the Midheaven placement relies on the specific location of the Ascendant, so the Midheaven can be found anywhere between the 8th and 11th houses.Mayo (1979), p76.
this Is ALSO tHe mORe common CRiticism of tHE whole siGN and eQUal hoUSe meThOd As it Concerns the loCatiON of tHe medIUM coEli (midheAVeN), tHe HiGhest point in the chart. in the EQual hOusE sYstEm, THe asceNDANt/deScenDAnt And mIdhEaVen/Ic aXes can vary FroM beiNg pErpeNdIculaR to each Other (from AppRoX. +-5 deg At moSt At eQuAToR to apProx. +-15 degrees AT ALExandria to +-90 dEgreeS at Polar CircLe). As a REsULt, eQual Houses couNtEd from tHe AScendant canNOt iN genEral Place the midheAven oN the tenth housE Cusp, wHere many fEeL it wouLD be sYmbolicALLy desiRABLE. SiNce tHIs point is aSSOciATed With ambition, cAREer, aNd pUbliC ImAge, tHe Argument is tHat the miDHEaVeN, TheReFOre, musT bE the cusp of the SimIlar TeNtH houSe. iT has ALso beeN liNKEd by eXtEnsioN with CApRicorn (The teNth sign Of THe ZOdiaC). the EQuaL House SystEm AlWAys tAkeS tHe mc to be firsT aNd fOremOSt ThE most imPOrtant IndicatOR oF caReer; wheReas tHe 10th hOuse cusp, whIlE taken Into account, iS inTErPretEd siMply as A weAKER 2nd mC CuSp. The midhEaven iS NoT aSsoCiated with housE LoCAtions defIned bY the wHOle SigN aND equal house system, RAtHer, thE MidHeavEN placemENt ReLiES oN the sPecIfic locatioN Of tHe asCendant, so The midheaven Can be Found aNywherE BeTwEEn thE 8tH anD 11TH Houses.Mayo (1979), P76.